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Green roofing system

A roofing system and green technology, applied in the direction of roofing, roof covering, roof insulation materials, etc., can solve the problems affecting the stability of animal and plant habitats and the weakening of rainfall retention capacity, so as to alleviate the heat island effect, reduce air pollution, The effect of absorbing harmful substances

Inactive Publication Date: 2018-01-26
SHENYANG JIANZHU UNIVERSITY
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Problems solved by technology

The rainfall retention capacity in urban areas has been greatly weakened, which has brought huge pressure to the urban drainage system, resulting in frequent floods in major cities in recent years, which have had a serious impact on people's lives, especially in old cities that mostly use combined drainage systems. It also affects the stability of animal and plant habitats

Method used

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Embodiment

[0022] Such as Figure 1~Figure 2 As shown, the present invention provides a green roof system, the green roof system includes a green roof and drainage ditches; the green roof structure is arranged in sequence from top to bottom as a vegetation layer (1), a matrix layer (2) , filter layer (3), storage and drainage layer (4), water storage layer (8) and waterproof root layer (5); the drainage ditch structure is followed by coarse gravel layer (6), anti-seepage layer (7) and water storage layer (8); a return pipe (9) is set between the coarse gravel layer (6) and the anti-seepage layer (7); the storage and drainage layer (4) is close to the side of the return pipe (9) The drainage pipe (10) is arranged, and the drainage pipe (10) is connected with the water storage layer (8); the drip irrigation pipeline (11) is arranged in the substrate layer (2), and the drip irrigation pipeline (11) is connected with the return water pipeline (9) The filter layer (3) filters the impurities ...

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Abstract

The invention provides a green roofing system and relates to the technical fields of water storage and drainage of roofs. The green roofing system comprises a green roofing system body and a drainingditch, wherein a drainage pipe is arranged on one side, close to a water returning pipeline, of a water storage and drainage layer and is connected with a water storage layer; a drip irrigation pipeline is arranged in a substrate layer and is connected with a water returning pipeline; a filtering layer filters impurities seeping from the substrate layer along with rainwater; the water storage anddrainage layer drains the rainwater to the water storage layer through a drainage pipeline; a waterproofing rooting resistant layer is attached to the roof. The green roofing system provided by the invention has the advantages of saving land resources, reducing storm runoff, relieving a heat island effect to a certain degree, favorably increasing the content of oxygen in urban atmosphere, reducingatmospheric pollution and improving living environment; meanwhile, the rainwater is purified, then collected and stored for irrigating vegetation, so that ecological recycling of water is realized.

Description

technical field [0001] The invention relates to the technical field of roof water storage and drainage, in particular to a green roof system. Background technique [0002] With the acceleration of urbanization, the area of ​​urban impermeable underlying surfaces (roofs, roads, squares, parking spaces, etc.) continues to expand, resulting in increased surface runoff and faster runoff speed. The rainfall retention capacity in urban areas has been greatly weakened, which has brought huge pressure to the urban drainage system, resulting in frequent floods in major cities in recent years, which have had a serious impact on people's lives, especially in the old cities that mostly use combined drainage systems. It also affects the stability of animal and plant habitats. As an important part of the urban impermeable underlying surface, the roof plays a very important role in the rainfall runoff, and occupies a relatively large area in the city. For example, the proportion of the ro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04D13/00E04D13/16A01G22/00A01G25/02
CPCY02A30/60
Inventor 张延年杨哲吴献
Owner SHENYANG JIANZHU UNIVERSITY
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